#include <iostream>
#include <unistd.h>
using namespace std;
int main() {
    
    int weight_sum = 0;

    for (int i = 0;i < 256;i++)
    {


        int weight = abs(i - 140);
        weight_sum+=weight;

    }

    printf("weight_sum: %d \n",weight_sum);
    

    return 0;
}

